The New York Mets have leaned on him all season, yet whispers linger that he might be too risky for October. As the Mets push toward the postseason, the conversation about Peterson is just beginning and could defy skeptics' expectations. None of these arms has proven they can reliably replace Peterson in a tight 3-to-4-man playoff rotation, making his role even more critical. With McLean firmly established as the rotation’s ace and Brandon Sproat showing promise in just two starts, the Mets’ postseason plans still rely heavily on Peterson. When the postseason pressure hits, Peterson is the arm the Mets can trust to deliver the big outings that could define their playoff run.